1842. Part 1 of 2. Augustus De Morgan was an important innovator in the field of logic. In addition, he made many contributions to the field of mathematics and the chronicling of the history of mathematics. The Differential and Integral Calculus was published by the Society for the Diffusion of Useful Knowledge, whose object was to spread scientific and other knowledge by means of cheap and clearly written treatises by the best writers of the time. Partial contents: Differentiation, Integration, Development, Series, Differential Equations, Differences, Summation, Equations of Differences, Calculus of Variations, Definite Integrals-with Applications to Algebra, Plane Geometry, Solid Geometry, and Mechanics. Elementary illustrations of the Differential and Integral Calculus are also included. Other volumes in this set are ISBN(s): 1417910046.